[tex](77 + 11) - 33 = \\ = 88 - 33 = \\ = 55[/tex]
[tex]29 + (27 + 32 + 90) = \\ = 29 + (59 + 90) = \\ = 29 + 149 = \\ = 178[/tex]
[tex](10 \times 10) - 100 = \\ = 100 - 100 = \\ = 0[/tex]
[tex]17 + 3 + 2 + 1 + 8 + 10 \times 2 = \\ = 20 + 2 + 1 + 8 + 20 = \\ = 22 + 1 + 8 + 20 = \\ = 23 + 8 + 20 = \\ = 31 + 20 = \\ = 51[/tex]
